'use strict';
var map_to_four_multiples_add_one = function(collection){
  let result=collection.map(function(x){
    return x*4+1;
  });
  console.log(result);
  return result;
}

module.exports = map_to_four_multiples_add_one;
map_to_four_multiples_add_one([1, 2, 3, 4, 5]);
